Java concurrency scenario — do I need synchronization or not?

Question

Here\'s the deal. I have a hash map containing data I call \"program codes\", it lives in an object, like so:

Class Metadata
{
    private HashMap validProgramC         


        

Answer 1

Check this post about concurrency basics. It should be able to answer your question satisfactorily.

http://walivi.wordpress.com/2013/08/24/concurrency-in-java-a-beginners-introduction/